15,25-4 1/6-(5,15-2 2/3)= расписать по действиям

   15,25 - 4 1/6 - (5,15 - 2 2/3) = 15 3/12 - 4 2/12 - (5 9/60 - 2 40/60) =
 = 11 1/12 - 2 29/60 = 10 65/60 - 2 29/60 = 8 36/60 = 8,6

1) 15,25 - 4 1/6 = 15 3/12 - 4 2/12 = 11 1/12
2) 5,15 - 2 2/3 = 5 3/20 - 2 2/3 = 5 9/60 - 2 40/60 =
    = 4 69/60 - 2 40/60 = 2 29/60
3) 11 1/12 - 2 29/60 = 10 65/60 - 2 29/60 = 8 36/60 = 8 6/10 = 8,6

15,25-4 1/6-(5,15-2 2/3)= 8,6
1)5,15-2 2/3=515/100-8/3= 1545/300-800/300= 745/300= 149/60
2) 15,25-4 1/6=1525/100-25/6= 4575/300-1250/300= 3325/300= 133/12
3)133/12-149/60=665/60-149/60=516/60= 43/5= 8 3/5=8,6